JSFiddle - React, Tailwind, and code Playground

by Abdul Ahmad

HTML

<div class='app'>
  <div class='content-wrapper'>
    <div class='left-side-utils'>
      <div class='util-menu'>
      
      </div>
    </div>
   <div class='right-side-content'>
      <div class='text'>  
        
      </div>
      <div class='input'>
      
      </div>
    </div>
  </div>
</div>

SCSS

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

.app {
  height: 100%;
  box-sizing: border-box;
  border: 1px solid red;
  overflow-y: auto;
}

.content-wrapper {
  margin: 0 auto;
  width: 1000px;
  min-height: 100%;
  box-sizing: border-box;
  display: flex;
}

.right-side-content {
  flex-grow: 1;
  flex-shrink: 1;
  padding-left: 10px;
  padding-top: 10px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.left-side-utils {
  position: sticky;
  top: 0;
  width: 150px;
  height: calc(100vh - 2px);
  box-sizing: border-box;
  padding-top: 20px;
  overflow-y: auto;
  flex-grow: 0;
  flex-shrink: 0;
}

.util-menu {
  width: calc(100% - 20px);
  min-height: 200px;
  background: white;
  border-radius: 10px;
  box-sizing: border-box;
  border: 1px solid #ddd;
  margin-top: 10px;
  
  &:first-child {
    margin-top: 0;
  }
}

.text {
  box-sizing: border-box;
  padding: 10px;
  margin-bottom: 1px;
  border: 1px solid teal;
  flex-grow: 1;
  flex-shrink: 1;
}
.input {
  position: sticky;
  bottom: 0;
  height: 200px;
  background: white;
  border: 1px solid blue;
  box-sizing: border-box;
  flex-grow: 0;
  flex-shrink: 0;
}